Metal fitting



FIG. 1 is a front view of a metal fitting showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereto;

FIG. 7 is a front, right perspective view thereof; and,

FIG. 8 is a reference view showing an example of the metal fitting that is in use on a wall.

The broken lines illustrated in drawings form no part of the claimed design. 

The ornamental design for a metal fitting, as shown and described. 